LFUS Insider Trading
LITTELFUSE INC /DE | Switchgear & Switchboard Apparatus
Comprehensive Trading Performance Summary
The investment history of corporate insiders at LITTELFUSE INC /DE provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Switchgear & Switchboard Apparatus sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2026-05-21 21:07 | 2026-05-20 | Chu Maggie | Officer - SVP, CHRO | OPT+S | $435.48 | 11,397 | $4,963,131 | 6,001 | 0.0% |
| 2026-05-20 20:23 | 2026-05-18 | Ruppel David | Officer - SVP & GM Transportation Bus. | SELL | $445.16 | 506 | $225,251 | 5,260 | -8.8% |
| 2026-05-20 20:23 | 2026-05-18 | Nayar Deepak | Officer - SVP & GM Electronics Business | OPT+S | $446.78 | 5,911 | $2,640,917 | 4,882 | 0.0% |
| 2026-04-30 22:43 | 2026-04-28 | Chu Maggie | Officer - SVP, CHRO | SELL | $393.61 | 1,097 | $431,789 | 6,001 | -15.5% |
| 2026-02-26 00:47 | 2026-02-24 | Cerniglia Kristina A. | Director | OPT+S | $368.38 | 2,343 | $863,114 | 4,255 | 0.0% |
| 2026-02-21 02:12 | 2026-02-20 | HUNTER GORDON | Director | OPT+S | $367.68 | 911 | $334,958 | 26,789 | 0.0% |
| 2026-02-12 00:52 | 2026-02-10 | GRILLO ANTHONY | Director | OPT+S | $346.24 | 5,000 | $1,731,220 | 69,423 | 0.0% |
| 2026-02-07 00:56 | 2026-02-05 | Gorski Jeffrey G | Officer - SVP & Chief Accounting Officer | OPT+S | $337.23 | 6,000 | $2,023,362 | 6,433 | 0.0% |
| 2026-02-06 00:07 | 2026-02-04 | Chu Maggie | Officer - SVP, CHRO | OPT+S | $326.71 | 2,061 | $673,349 | 6,719 | 0.0% |
| 2026-02-05 00:44 | 2026-02-02 | Ruppel David | Officer - SVP & GM Transportation Bus. | OPT+S | $321.17 | 1,495 | $480,150 | 4,965 | 0.0% |
| 2026-02-05 00:44 | 2026-02-02 | Kim Peter Sung-Jip | Officer - SVP & GM Industrial Business | OPT+S | $326.35 | 5,488 | $1,790,985 | 10,175 | 0.0% |
| 2026-02-05 00:44 | 2026-02-02 | Nayar Deepak | Officer - SVP & GM Electronics Business | OPT+S | $321.55 | 8,875 | $2,853,745 | 6,009 | 0.0% |
| 2026-02-05 00:44 | 2026-02-02 | Stafford Ryan K | Officer - Executive VP, CLO & Corp Sec | OPT+S | $325.25 | 16,839 | $5,476,873 | 28,591 | 0.0% |
| 2025-12-16 00:20 | 2025-12-11 | Kim Peter Sung-Jip | Officer - SVP & GM Industrial Business | OPT+S | $270.02 | 2,049 | $553,279 | 10,175 | 0.0% |
| 2025-12-16 00:19 | 2025-12-11 | Stafford Ryan K | Officer - Executive VP, CLO & Corp Sec | SELL | $268.31 | 2,162 | $580,086 | 28,591 | -7.0% |
| 2025-12-09 00:58 | 2025-12-04 | Nayar Deepak | Officer - SVP & GM Electronics Business | OPT+S | $259.09 | 7,490 | $1,940,586 | 6,009 | 0.0% |
| 2025-11-28 20:06 | 2025-11-26 | Nayar Deepak | Officer - SVP & GM Electronics Business | OPT+S | $255.50 | 2,333 | $596,082 | 5,998 | 0.0% |
| 2025-08-26 23:18 | 2025-08-25 | Conrad Alexander | Officer - SVP &GM Passenger Vehicle | OPT+S | $261.43 | 13,210 | $3,453,489 | 3,427 | 0.0% |
| 2025-08-27 03:44 | 2025-08-25 | Stafford Ryan K | Officer - Executive VP, CLO & Corp Sec | OPT+S | $261.34 | 10,206 | $2,667,222 | 30,727 | 0.0% |
| 2025-08-15 23:27 | 2025-08-13 | Gorski Jeffrey G | Officer - SVP & Chief Accounting Officer | SELL | $262.42 | 350 | $91,847 | 6,433 | -5.2% |
| 2025-08-13 23:09 | 2025-08-12 | Gorski Jeffrey G | Officer - SVP & Chief Accounting Officer | SELL | $254.10 | 750 | $190,575 | 6,783 | -10.0% |
| 2025-08-13 15:02 | 2025-08-11 | CHUNG T J | Director | OPT+S | $246.11 | 2,343 | $576,627 | 18,730 | 0.0% |
| 2025-05-14 20:21 | 2025-05-13 | Sethna Meenal | Officer - Executive VP, CFO | OPT+S | $219.27 | 4,000 | $877,075 | 24,117 | 0.0% |
| 2025-05-06 18:51 | 2025-05-05 | Sethna Meenal | Officer - Executive VP, CFO | OPT+S | $195.23 | 4,000 | $780,916 | 24,117 | 0.0% |
| 2025-05-06 18:52 | 2025-05-05 | Nayar Deepak | Officer - SVP & GM Electronics Business | SELL | $197.50 | 1,477 | $291,708 | 5,975 | -19.8% |
| 2025-02-19 23:37 | 2025-02-19 | Cole Matthew | Officer - SVP eMobility & Corp Strategy | OPT+S | $255.00 | 500 | $127,500 | 5,522 | 0.0% |
| 2025-02-14 20:58 | 2025-02-14 | Cole Matthew | Officer - SVP eMobility & Corp Strategy | OPT+S | $248.80 | 500 | $124,400 | 5,522 | 0.0% |
| 2025-02-07 23:21 | 2025-02-06 | GRILLO ANTHONY | Director | BUY | $233.98 | 17,500 | $4,094,575 | 71,905 | +32.2% |
| 2025-01-17 19:24 | 2025-01-15 | Cole Matthew | Officer - SVP eMobility & Corp Strategy | OPT+S | $235.00 | 500 | $117,500 | 5,522 | 0.0% |
| 2024-12-16 16:32 | 2024-12-12 | Gorski Jeffrey G | Officer - SVP & Chief Accounting Officer | SELL | $249.02 | 700 | $174,314 | 3,105 | -18.4% |
| 2024-09-13 19:15 | 2024-09-12 | Cole Matthew | Officer - SVP eMobility & Corp Strategy | OPT+S | $246.02 | 1,436 | $353,289 | 5,522 | 0.0% |
| 2024-08-29 23:08 | 2024-08-29 | Chu Maggie | Officer - SVP, CHRO | SELL | $272.96 | 1,234 | $336,838 | 2,912 | -29.8% |
| 2024-08-27 16:55 | 2024-08-26 | HEINZMANN DAVID W | Director, Officer - President & CEO | OPT+S | $274.65 | 2,091 | $574,291 | 59,654 | 0.0% |
| 2024-08-26 19:13 | 2024-08-23 | HEINZMANN DAVID W | Director, Officer - President & CEO | OPT+S | $274.40 | 8,715 | $2,391,416 | 59,654 | 0.0% |
| 2024-08-01 19:41 | 2024-07-31 | HEINZMANN DAVID W | Director, Officer - President & CEO | OPT+S | $273.92 | 3,786 | $1,037,079 | 59,654 | 0.0% |
| 2024-07-19 16:43 | 2024-07-18 | HEINZMANN DAVID W | Director, Officer - President & CEO | OPT+S | $273.00 | 11 | $3,003 | 59,654 | 0.0% |
| 2024-07-18 16:49 | 2024-07-16 | HEINZMANN DAVID W | Director, Officer - President & CEO | OPT+S | $274.37 | 8,458 | $2,320,597 | 59,654 | 0.0% |
| 2024-05-15 17:49 | 2024-05-14 | Sethna Meenal | Officer - Executive VP, CFO | OPT+S | $258.59 | 3,031 | $783,788 | 22,432 | 0.0% |
| 2024-05-14 16:15 | 2024-05-13 | Sethna Meenal | Officer - Executive VP, CFO | OPT+S | $256.49 | 6,114 | $1,568,208 | 22,432 | 0.0% |
| 2024-05-09 17:08 | 2024-05-08 | Stafford Ryan K | Officer - EVP, CLO & Corp Secretary | SELL | $256.33 | 2,219 | $568,796 | 24,437 | -8.3% |
| 2024-05-06 20:57 | 2024-05-06 | Nayar Deepak | Officer - SVP & GM Electronics Business | SELL | $250.25 | 1,305 | $326,571 | 4,630 | -22.0% |
| 2024-03-06 17:04 | 2024-03-05 | Cole Matthew | Officer - SVP eMobility & Corp Strategy | SELL | $236.36 | 625 | $147,727 | 4,905 | -11.3% |
| 2024-03-05 18:31 | 2024-03-04 | Chu Maggie | Officer - SVP, CHRO | SELL | $240.74 | 1,522 | $366,406 | 3,086 | -33.0% |
| 2024-02-13 20:59 | 2024-02-12 | Cole Matthew | Officer - SVP eMobility & Corp Strategy | OPT+S | $248.18 | 916 | $227,333 | 5,530 | 0.0% |
| 2024-02-09 17:34 | 2024-02-08 | Stafford Ryan K | Officer - EVP, CLO & Corp Secretary | SELL | $243.62 | 1,932 | $470,671 | 24,155 | -7.4% |
| 2023-12-16 00:17 | 2023-12-14 | Cole Matthew | Officer - SVP eMobility & Corp Strategy | OPT+S | $261.44 | 900 | $235,296 | 5,530 | 0.0% |
| 2023-12-15 23:58 | 2023-12-14 | Nayar Deepak | Officer - SVP & GM Electronics Business | OPT+S | $260.77 | 2,717 | $708,501 | 4,264 | 0.0% |
| 2023-11-15 20:25 | 2023-11-14 | Cole Matthew | Officer - SVP eMobility & Corp Strategy | OPT+S | $236.93 | 1,800 | $426,474 | 5,530 | 0.0% |
| 2023-06-16 18:26 | 2023-06-15 | Gorski Jeffrey G | Officer - SVP & Chief Accounting Officer | SELL | $270.15 | 700 | $189,105 | 2,713 | -20.5% |
| 2023-05-09 23:27 | 2023-05-08 | Nayar Deepak | Officer - SVP & GM Electronics Business | OPT+S | $259.54 | 6,792 | $1,762,796 | 4,264 | 0.0% |
How to Interpret $LFUS Trades
Not every insider transaction in LITTELFUSE INC /DE is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $LFUS shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for LFUS
Insider activity data for LITTELFUSE INC /DE is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $LFUS, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.